<script lang="ts" setup>
import { ref } from 'vue'
import EmployeeService from '@/api/employee'
import FileSaver from 'file-saver'

defineProps({
  showExcelDialog: {
    type: Boolean,
    default: false
  }
})
const excelUploadInput = ref()
const emit = defineEmits(['update:modelValue', 'uploadSuccess'])

const getTempalte = async () => {
  const res: any = await EmployeeService.getExportTemplate()
  FileSaver.saveAs(res, '员工导入模板.xlsx')
}
// 点击就进行文件选择
const handleUpload = () => {
  console.log(excelUploadInput)
  excelUploadInput.value.click()
}
// 文件上传
const uploadChange = async (event: any) => {
  console.log(event)
  console.log('正在上传')
  const files = event.target.files
  if (files.length > 0) {
    // 将文件参数加入到FormData中!!!!!!!!!!!!!!!!!!!!!!!!!
    const data = new FormData()
    data.append('file', files[0])

    try {
      await EmployeeService.uploadExcel(data)
      // 关闭弹层，重新加载数据
      emit('update:modelValue', false)
      emit('uploadSuccess')
    } catch (err) {
      // 捕获失败
    } finally {
      // 无论成功或失败都会执行finally
      excelUploadInput.value.value = ''
    }
  }
}
</script>

<template>
  <el-dialog
    width="500px"
    title="员工导入"
    :modelValue="showExcelDialog"
    @update:modelValue="emit('update:modelValue', $event)"
  >
    <el-row type="flex" justify="center">
      <div class="upload-excel">
        <input
          ref="excelUploadInput"
          class="excel-upload-input"
          type="file"
          accept=".xlsx, .xls"
          @change="uploadChange"
        />
        <div class="drop">
          <i class="el-icon-upload" />
          <el-button type="text" @click="getTempalte">下载导入模板</el-button>
          <span
            >将文件拖到此处或
            <el-button type="text" @click="handleUpload">点击上传</el-button>
          </span>
        </div>
      </div>
    </el-row>
    <el-row type="flex" justify="end">
      <!-- update:props属性名，值 直接修改 .sync修饰符的属性值 -->
      <el-button size="small" type="primary" @click="emit('update:modelValue', false)"
        >取消</el-button
      >
    </el-row>
  </el-dialog>
</template>

<style scoped lang="scss">
.upload-excel {
  display: flex;
  justify-content: center;
  margin: 20px;
  width: 360px;
  height: 180px;
  align-items: center;
  color: #697086;
  .excel-upload-input {
    display: none;
    z-index: -9999;
  }
  .btn-upload,
  .drop {
    border: 1px dashed #dcdfe6;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 160px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .drop {
    line-height: 40px;
    color: #bbb;
    i {
      font-size: 60px;
      display: block;
      color: #c0c4cc;
    }
  }
}
</style>
